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What mass of methane is contained in 60.0 mL of a 13.9% by mass solution of...
What mass of methane is contained in 60.0 mL of a 13.9% by mass solution of methan in hexane? The density of the solution is 0.611 g/mL. 4.88 g 2.35 g 11.8 g 8.49 g 5.10 g
A 100.0 mL aqueous sodium chloride solution is 13.9 % NaCl by mass and has a density of 1.12 g mL−1. What mass of solute would you add to make the boiling point of the solution 104.8 ∘C ? (Use i = 1.8 for NaCl)
How many grams of Na2CO3 are present in 13.9 mL of a solution that is 23.0% Na2CO3 by mass. The density of the solution is 1.07 g/mL.
What mass (g) of calcium chloride is contained in 430.0 mL of calcium chloride solution that has a chloride ion concentration of 0.193 M?
When 60.0 mL of a 0.400 M solution of HNO3 (aq) is combined with 60.0 mL of a 0.400 M solution of NaOH(aq) in a coffee-cup calorimeter, the final temperature of the solution is measured to be 26.6 ˚C. The initial temperature of the solutions is 24.0 ˚C. Calculate qrxn in joules, assuming the specific heat capacity of the final solution is 3.90 J·g–1·˚C–1, the density of the final solution is 1.04 g/mL, and the calorimeter constant is 45 J/oC....
what mass (g) of barium iodide is contained in 250 mL of barium iodide solution that has an iodide ion concentration of 0.193 M? 9.44 18.9 0.024 0.048 37.7
In a constant-pressure calorimeter, 60.0 mL of 0.310 M Ba(OH)2 was added to 60.0 mL of 0.620 M HCI. The reaction caused the temperature of the solution to rise from 24.11 °C to 28.33 °C. If the solution has the same density and specific heat as water (1.00 g/mL and 4.184 Jlg. °C, respectively), what is AH for this reaction (per mole of H2O produced)? Assume that the total volume is the sum of the individual volumes. Number kJ/mol H,o
If you started with 24.75 ml of a hydrogen peroxide solution that contained 3.85 % H2O2 by mass, what would be the volume of this gas in ml at STP? The density of the solution is 1.0 g/ml and the molar volume of a gas at STP is 22.4 L/mol. (Put your answer in 3 significant figures)
there is a volume of 10 ml of an aqueous solution of h2o2 at 3% mass. the density of this solution is 1.01 g / ml. determine the moles of H2O2 contained in the 10ml of original solution
Concentrated calcium hydroxide solution is 52.0% by mass and has a density 2.35 g/mL.(A)Calculate the molarity for this solution. (B.Calculate the normality for this solution.